Macromedia JRun Server 4.0 (Win/Linux/Unix) - 1 Processor License Macromedia JRun Server 4.0 is the fast, affordable, and reliable solution for delivering Java applications. Macromedia JRun Server 4.0 new features—such as drag-and-drop deploy, XDoclet integration and optimized Macromedia Flash connectivity—speed the development and deployment of your next-generation Internet applications. Currently used in production at over 100 companies worldwide, Macromedia JRun Server 4.0 has confirmed reliability for powering J2EE applications. **Processor** Depending on how many processors the consumer is running on the server, the consumer will need to purchase the appropriate version. There are versions for 1 CPU, 2 CPU, and 4 CPU processors. For example, if there are 2 processors running on the server, then the version with 2 CPU will need to be purchased.